#loader {
    position: absolute;
    left: 50%;
    top: 50%;
    z-index: 1;
    /*width: 20px;*/
    /*height: 20px;*/
    margin: -25px 0 0 -25px;
    border: 6px solid #f3f3f3;
    border-radius: 50%;
    border-top: 6px solid #00A76F;
    border-bottom: 6px solid #00A76F;
    width: 50px;
    height: 50px;
    -webkit-animation: spin 2s linear infinite;
    animation: spin 2s linear infinite;
}

@-webkit-keyframes spin {
    0% {
        -webkit-transform: rotate(0deg);
    }
    100% {
        -webkit-transform: rotate(360deg);
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}